Polyhedral brush



FIG. 1 is a perspective view of a polyhedral brush;

FIG. 2 is a front elevation view of the polyhedral brush of FIG. 1, the back elevation view being identical to the front elevation view;

FIG. 3 is a left-side elevation view of the polyhedral brush of FIG. 1, the right-side elevation view being identical to the left-side elevation view;

FIG. 4 is a top plan view of the polyhedral brush of FIG. 1; and,

FIG. 5 is a bottom plan view of the polyhedral brush of FIG. 1.

The broken lines are directed to unclaimed portions and form no part of the claimed design. 

CLAIM The ornamental design for a polyhedral brush, as shown and described. 